mirror of
https://github.com/muety/wakapi.git
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68 lines
1.4 KiB
Go
68 lines
1.4 KiB
Go
package migrations
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import (
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"github.com/emvi/logbuch"
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"github.com/muety/wakapi/config"
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"gorm.io/gorm"
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"sort"
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"strings"
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)
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type migrationFunc struct {
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f func(db *gorm.DB, cfg *config.Config) error
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name string
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}
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type migrationFuncs []migrationFunc
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var (
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preMigrations migrationFuncs
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postMigrations migrationFuncs
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)
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func registerPreMigration(f migrationFunc) {
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preMigrations = append(preMigrations, f)
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}
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func registerPostMigration(f migrationFunc) {
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postMigrations = append(postMigrations, f)
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}
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// NOTE: Currently, migrations themselves keep track
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// of whether they have run, yet or not, because some
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// simply run on every start.
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func RunPreMigrations(db *gorm.DB, cfg *config.Config) {
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sort.Sort(preMigrations)
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for _, m := range preMigrations {
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logbuch.Info("potentially running migration '%s'", m.name)
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if err := m.f(db, cfg); err != nil {
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logbuch.Fatal("migration '%s' failed – %v", m.name, err)
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}
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}
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}
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func RunCustomPostMigrations(db *gorm.DB, cfg *config.Config) {
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sort.Sort(postMigrations)
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for _, m := range postMigrations {
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logbuch.Info("potentially running migration '%s'", m.name)
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if err := m.f(db, cfg); err != nil {
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logbuch.Fatal("migration '%s' failed – %v", m.name, err)
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}
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}
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}
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func (m migrationFuncs) Len() int {
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return len(m)
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}
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func (m migrationFuncs) Less(i, j int) bool {
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return strings.Compare(m[i].name, m[j].name) < 0
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}
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func (m migrationFuncs) Swap(i, j int) {
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m[i], m[j] = m[j], m[i]
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}
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